diff --git a/README.md b/README.md index 4f40955..b52ccb6 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,4 @@ -# walkietalkie +# Walkietalkie Repo for Arduino + NRF24L based walkie talkie. @@ -7,15 +7,16 @@ Repo for Arduino + NRF24L based walkie talkie. ## NOTES: --Electret MIC has polarity, check which leg goes to the metal can casing, thats your ground or minus --led, electrolytic caps and IC(lm386) have polarity too! --JMIC can be two pin jumper (second and third pin are to store your jumpers 'jumper block') --All jumpers are optional, you can just bridge them with wire or not --3.3v smd regulator is optional (ts actually routed to the top of the pcb in case you want to power an extra wemos board for example) --clipping transistor Q1 is a BC337 NPN, you can replace it with any common transistor, mind the pinout though (Collector-Base-Emitter)! --default power is 9v battery, but these are shitty and run out quick. Just power the arduino nano with a powerbank through its mini usb port. --the NRF24L01+ PA+LNA is heavy, there are tiny holes in the top of the pcb for you to solder some stabelizer wires from to the NRF24L01+ PA+LNA (for example the legs of a LED you cut off). --theres a 'prototype' area at the top of the board ('under' the NRF24L01+ PA+LNA) of 2x6 pins. In case you need to attach an extra tactile switch or so. +* Electret MIC has polarity, check which leg goes to the metal can casing, thats your ground or minus. +* BUG: If you want to use Voice AND Data/Line audio functionality, make sure you make your micorphone detachable (more on in the howto build). +* LED, electrolytic caps and IC(lm386) have polarity too! +* J-MIC can be two pin jumper (second and third pin are to store your jumpers 'jumper block') +* All jumpers are optional, you can just bridge them with wire or not +* 3.3v smd regulator is optional (ts actually routed to the top of the pcb in case you want to power an extra wemos board for example) +* clipping transistor Q1 is a BC337 NPN, you can replace it with any common transistor, mind the pinout though (Collector-Base-Emitter)! +* default power is 9v battery, but these are shitty and run out quick. Just power the arduino nano with a powerbank through its mini usb port. +* the NRF24L01+ PA+LNA is heavy, there are tiny holes in the top of the pcb for you to solder some stabelizer wires from to the NRF24L01+ PA+LNA (for example the legs of a LED you cut off). +* theres a 'prototype' area at the top of the board ('under' the NRF24L01+ PA+LNA) of 2x6 pins. In case you need to attach an extra tactile switch or so.